Enhancement of the Carbon Dots/K2S2O8 Chemiluminescence System Induced by Triethylamine | Zendy

Hui Zhang | Zendy; Xiaowei Zhang | Zendy; Shaojun Dong | Zendy

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Enhancement of the Carbon Dots/K₂S₂O₈ Chemiluminescence System Induced by Triethylamine

Author(s) -

Hui Zhang,

Xiaowei Zhang,

Shaojun Dong

Publication year - 2015

Publication title -

analytical chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.117

H-Index - 332

eISSN - 1520-6882

pISSN - 0003-2700

DOI - 10.1021/acs.analchem.5b02562

Subject(s) - chemistry , triethylamine , chemiluminescence , carbon fibers , analytical chemistry (journal) , nanotechnology , nuclear chemistry , organic chemistry , materials science , composite number , composite material

Triethylamine (TEA), a common coreactant for electrochemiluminescence (ECL), is first utilized as a coreactant for chemiluminescence (CL). The CL intensity of carbon dots/K2S2O8 could be increased by ∼20 times in the presence of TEA. On the basis of this fascinating phenomenon, a room temperature operated senor is constructed for the fast, selective, and sensitive determination of TEA. A wide linear relationship between CL intensity and TEA concentration from 1 μM to 1000 μM (R(2) = 0.9995) was found with the detection limit down to 1 μM. The enhancement mechanism of TEA to this CL system is carefully investigated. Experimental results reveal that the forming of TEA free radical is what indeed induced the enhancement of the CL efficiency of CDs.

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